[{"data":1,"prerenderedAt":54},["ShallowReactive",2],{"mental-model-contextual-variability-en":3},{"title":4,"description":5,"summary":6,"sections":7,"visual":28,"related":36,"sources":49},"Contextual Variability","Vary meaningful practice conditions to develop adaptable skill, while preserving clear learning goals and distinguishing variation from random task order.","A skill should work with more than one partner or starting condition. Contextual variability expands experience around the same learning problem.",[8,14,20],{"heading":9,"kind":10,"paragraphs":11},"Same escape, different partner","idea",[12,13],"The escape works with your usual partner. Someone else changes the pressure slightly and you can no longer find the space. That difference gives you something worth practising. Contextual variability changes conditions around a task so you meet more than one version: another partner, distance, grip or pace. The aim is to find what still matters, not to make every repetition surprising. Raviv, Lupyan and Green's review examines variability and generalisation across several learning domains.","Choose a change that answers a question. Relevant variation can make a relationship easier to understand; unrelated changes may just consume attention. A beginner might need a stable introduction first. If you cannot explain why the context is changing, novelty is not much of a reason to change it.",{"heading":15,"kind":16,"paragraphs":17},"Keep the escape, change the starting picture","practice",[18,19],"A grappling student is learning to recover useful space from a controlled bottom position. Instead of always beginning with the same partner at the same angle, vary one feature: the partner starts slightly closer, changes the direction of pressure, or offers a different manageable grip. Preserve the objective and agreed resistance. Ask which adjustment restores space without forcing the action.","Later, practise with a second partner whose movement differs. The student must identify the relationship that matters, rather than copy a position that worked with the first person. If the problem becomes unrecognisable, reduce the variation. A session filled with changing rules and unrelated positions may offer variety while giving too little experience of the ability you intended to develop.",{"heading":21,"kind":22,"paragraphs":23},"Choose a variation with a reason","experiment",[24,25,26,27],"Name a target skill and list the conditions in which you want it to work. Select two relevant variations and keep a third for a later check. Introduce them gradually while maintaining a clear objective. Record what the learner notices and how they adjust, not just whether an attempt succeeds. Ask them what stayed the same across the different versions.","At a later session, use the reserved condition with minimal prompting. Improvement there offers useful evidence of adaptability, though one small experiment cannot prove a general learning effect. If performance is good only in practised versions, add examples that clarify the missing relationship. Avoid escalating physical intensity simply to create variation.","Specificity of practice asks which conditions the skill depends on. Contextual variability deliberately broadens those conditions. Contextual interference concerns task order and switching demands; a variable task can still be practised in blocks. Transfer is the outcome when learning helps in a changed situation.","Useful variability preserves the information that guides action. Moving a pad unpredictably without a meaningful partner response can change appearances while missing the target demand. Explain the purpose of each variation, let learners compare examples and return to the real problem often enough that the connection remains clear.",{"description":29,"labels":30},"One learning goal connects to varied partners, distances and starting conditions, with a later unfamiliar condition used to check adaptability.",[31,32,33,34,35],"Same goal","Partner","Distance","Starting condition","New test",[37,40,43,46],{"id":38,"reason":39},"specificity-of-practice","Know which conditions to preserve and which to broaden.",{"id":41,"reason":42},"contextual-interference","Changing the context is not the same as changing task order.",{"id":44,"reason":45},"transfer-of-learning","Save a new condition to check whether the varied practice carries over.",{"id":47,"reason":48},"constraints-led-approach","Shape variation around a clear problem instead of adding random changes.",[50],{"title":51,"url":52,"note":53},"How variability shapes learning and generalization","https:\u002F\u002Fpubmed.ncbi.nlm.nih.gov\u002F35577719\u002F","Raviv, Lupyan and Green's 2022 cross-domain review of variability, timing and generalisation.",1791220423040]